This inventor holds 3 USPTO granted patents and 1 published patent application, plus 1 CIPO patent. Top assignees: Fuji Electric Co., Ltd., Kyushu University, Nishimu Electronics Industries Co., Ltd.. Active years: 1988-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
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Years Active: 1988-2025
Title: Masahito Shoyama: Innovator in Power Conversion Technology
Introduction
Masahito Shoyama is a notable inventor based in Fukuoka, Japan. He has made significant contributions to the field of power conversion technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of power conversion devices.
Latest Patents
Shoyama's latest patents include a power conversion device, a control device for a power conversion device, and a power conversion control method. The power conversion device features a control unit that manages the switching operation of a switching element within the inverter unit. This control unit is designed to alternate between frequency modulation control and phase shift control based on the output from the output converter unit. Additionally, it executes overlap control to facilitate phase shift control while maintaining frequency modulation control within a specified switching operation range. Another significant invention is the bridgeless power factor improvement converter, which is equipped with input terminals for AC voltage and output terminals for DC voltage. This converter utilizes diodes, switches, coils, and a control circuit to optimize power factor improvement.
Career Highlights
Throughout his career, Masahito Shoyama has worked with prominent companies such as Nishimu Electronics Industries Co., Ltd. and TDK Corporation. His experience in these organizations has allowed him to refine his expertise in power conversion technologies and contribute to innovative solutions in the industry.
Collaborations
Shoyama has collaborated with notable colleagues, including Koosuke Harada and Hiroshi Sakamoto. These partnerships have fostered a creative environment that has led to advancements in their respective fields.
Conclusion
Masahito Shoyama's contributions to power conversion technology exemplify his innovative spirit and dedication to improving electrical systems. His patents reflect a commitment to enhancing efficiency and functionality in power conversion devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile